Datasheet

Revision 12-05-06 Page 6 SMSC COM20020I Rev D
PRODUCT PREVIEW
Figure 3 - 48 Pin TQFP Package Outline
Table 1 - 48 Pin TQFP Package Parameters
MIN NOMINAL MAX REMARK
A
~ ~ 1.6 Overall Package Height
A1
0.05 0.10 0.15 Standoff
A2
1.35 1.40 1.45 Body Thickness
D
8.80 9.00 9.20 X Span
D/2
4.40 4.50 4.60
1
/
2
X Span Measure from Centerline
D1
6.90 7.00 7.10 X body Size
E
8.80 9.00 9.10 Y Span
E/2
4.40 4.50 4.60
1
/
2
Y Span Measure from Centerline
E1
6.90 7.00 7.10 Y body Size
H
0.09 ~ 0.20 Lead Frame Thickness
L
0.45 0.60 0.75 Lead Foot Length from Centerline
L1
~ 1.00 ~ Lead Length
e
0.50 Basic Lead Pitch
θ
0
o
~ 7
o
Lead Foot Angle
W
0.17 ~ 0.27 Lead Width
R1
0.08 ~ ~ Lead Shoulder Radius
R2
0.08 ~ 0.20 Lead Foot Radius
ccc
~ ~ 0.0762 Coplanarity (Assemblers)
ccc
~ ~ 0.08 Coplanarity (Test House)
Note 1: Controlling Unit: millimeter